Japan Cadets Chess Championship 2023


Registration has closed as the number of participants reached to the limit.


The official tournament to decide Japan’s number one chess player under 12.

Come and get the crown of Japan Cadets Chess Champion!


The number of registration spots was changed on March 1st.



  • Date: Sunday, April 2
  • Venue:  Shinagawa Ward General Kumin Hall “Curian” 5F, Seminar Room 2
    5-18-1 Higashi-Oi, Shinagawa-ku, Tokyo (map) 
  • Format: 5R Swiss, 15m+10s/move, NCS rapid rated


  • Entry criteria: Under 12 and NCS (yearly or 1-time) members
    * U12 means players who have yet to reach age 12 before January 1st, 2023.  i.e. Born in 2011 or later.
  • This tournament has three age categories, U12, U10 & U8.  (Ex: U12 means players who have yet to reach age 12 before January 1st, 2023.  i.e. Born in 2011 or later.)  Pairings will be made across the categories as a single tournament, but prizes will be awarded separately by each category. 
  • Entry fee: 3,000 yen
  • Registration: Purchase tickets through [Peatix] during the application period (Only-46 spots)
  • Entries are accepted 18:00 on Friday, February 10 – 23:59 on Wednesday, March 29 

Playing schedule

Sunday, April 2

09:40 -10:30 Check-in

10:30 Opening Ceremony

11:00 Round 1

12:45 Round 2

14:00 Round 3

15:15 Round 4

16:30 Round 5

17:45 Prizegiving


  • The player, who becomes the best, regardless of category, and belongs to the Japan Chess Federation under FIDE, will be awarded the medal and the Japan Cadets Chess Championship.
  • The top 3 players and the top girl player of each age category will be awarded a plaque.
  • Players who play all the rounds will be awarded a participation prize.
  • We will select the Cadets’ representatives for international tournaments from players who belong to Japan Chess Federation, based on the results of this tournament.

Other regulations

Tournament rules

  • Tie-breaks: 1. Buchholz Cut-1, 2. Buchholz, 3. Sonneborn-Berger, 4. Sum of the ratings of the opponents, 5. Drawing of lots.
  • Default time:  If any player is not present within 10 min after the game starts, she/he shall lose the game by default. The game is not rated.
  • Pre-registered byes: 0.5 point bye requests will be accepted until 18:00, the day before the tournament. (Please email to japanchess.info@gmail.com ) However, 0 points are given for the last round. Pairing-allocated bye will be 1 point.  If a player has more than 1 requested byes, the player will not qualify for winners.
  • Pairings of the first round will be published at 20:00 the day before the tournament.
  • The organizer will provide chess equipment, including clocks and score sheets. Players must use them.
  • Players need NOT record moves. Once the game is finished, both players sign and hand over the original score sheets to the arbiters. Make sure the results are correct before signing.
  • All electronic devices, smartphones, tablets or smartwatches must be turned off and put away in a bag during games. Players may not wear or carry them out of the venue during the game. This rule applies whether or not the electronic device’s switch is on. Violation of this rule will result in a loss for the offending player, not a forfeited game. During the game, we prohibit using communication devices, including smartphones, in the venue, for visitors and players who have finished the game.
  • The pairings will be done according to the March NCS rating. If there are 2 players with the same NCS rating, the title and the alphabetical order of the players will be used.
  • The tournament will follow FIDE rules unless otherwise stated above. (2nd illegal move – loss of the game. Pressing the clock by mistake or pressing it with the other hand, which touched a piece, will also be judged as an illegal move.)

Media related rules

  • The tournament results will be posted on the Internet (chess-results.com) for reporting purposes. The game record may also be published on the Internet. Participants agree to the publication of their real names, results, and game records.
  • Observers are allowed to take photos for the first 10 minutes of each game, including the use of a mobile, but after 10 minutes, all mobiles have to be put away by the observers, and they are not allowed to use them in the playing room. Exception for people with special permission.
  • Individuals who wish to use photos or videos of participants (during games, award ceremonies, etc.) must be careful to protect their privacy. In addition to obtaining comprehensive consent in advance, for example, in the case of minors, the permission of their guardians must be obtained, and due consideration must be given to the protection of personal information and portrait rights.
  • The organizer will take photos, record videos, and broadcast live coverage of the event. These may be published and used in media such as websites, SNS, video sites, and journals managed by NCS. Participants are supposed to agree to publish and broadcast these photos and videos.

COVID-19 Guidelines

  • All players have to follow the COVID-19 Guidelines 3rd Edition.
  • No observers are allowed without permission. Please contact NCS. You need to have permission by email the day before the tournament starts. (mail:japanchess.info@gmail.com ) However, one parent or guardian per underage participant is allowed in the venue.

Other rules

  • The organizer reserves the right to change the above conditions in case of reasonable cases before the first round begins.
  • Due to the spread of coronavirus infection or other unforeseeable reasons, there may be unavoidable changes to the duration of the event or the event may be cancelled.
  • If cancellation is made before the day 8-days before the registration deadline and the number of participants has not reached the maximum number, a refund will be made.We do not refund from 7-days before the application deadline. We do not refund once the number of applicants has reached the maximum.
    ( email: japanchess.info@gmail.com
  • NCS cannot be held responsible for any problems that occur between individuals.

Organizer and Sponsorship


Japan Chess Federation